diff options
Diffstat (limited to 'docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot')
4 files changed, 16 insertions, 34 deletions
diff --git a/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.0_Abstract.md b/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.0_Abstract.md index 9095b62..73a0cab 100644 --- a/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.0_Abstract.md +++ b/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.0_Abstract.md @@ -1,12 +1,7 @@ --- -edit_link: '' title: Introduction -origin_url: >- - https://raw.githubusercontent.com/automotive-grade-linux/docs-sources/master/docs/security-blueprint/part-2/0_Abstract.md --- -<!-- WARNING: This file is generated by fetch_docs.js using /home/boron/Documents/AGL/docs-webtemplate/site/_data/tocs/architecture/master/security_blueprint-security-blueprint-book.yml --> - # Part 2 - Secure boot ## Abstract @@ -20,9 +15,10 @@ Boot-Abstract-1 | More generic and add examples (The chain of trust). <!-- end-section-todo --> Secure boot refers to preventing malicious software applications and -“unauthorized” operating systems from loading during the system start-up process. -The goal is to protect users from rootkits and other low-level malware attacks. -Modern bootloaders come with features that can be used to enable secure boot in the system. +“unauthorized” operating systems from loading during the system start-up +process. The goal is to protect users from rootkits and other low-level malware +attacks. Modern bootloaders come with features that can be used to enable secure +boot in the system. **Boot Hardening**: Steps/requirements to configure the boot sequence, in order to restrict the device from executing anything other than the approved software @@ -51,14 +47,14 @@ Boot-Abstract-1 | Review the definition of the "boot loader". <!-- end-section-todo --> -**Boot loader**: The boot loader consists of the Primary boot loader residing -in **OTP** memory, sboot, U-Boot and Secure loader residing in external flash -(NAND or SPI/NOR flash memory). The CPU on power on or reset executes the -primary boot loader. The **OTP** primary boot loader makes the necessary initial -system configuration and then loads the secondary boot loader sboot from -external flash memory to ram memory. The sboot then loads the U-Boot along with -the Secure loader. U-Boot then verifies the Kernel/system image integrity, then -loads the Kernel/system image before passing control to it. +**Boot loader**: The boot loader consists of the Primary boot loader residing in +**OTP** memory, sboot, U-Boot and Secure loader residing in external flash (NAND +or SPI/NOR flash memory). The CPU on power on or reset executes the primary boot +loader. The **OTP** primary boot loader makes the necessary initial system +configuration and then loads the secondary boot loader sboot from external flash +memory to ram memory. The sboot then loads the U-Boot along with the Secure +loader. U-Boot then verifies the Kernel/system image integrity, then loads the +Kernel/system image before passing control to it. -------------------------------------------------------------------------------- diff --git a/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.1_Image.md b/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.1_Image.md index 998c514..ad9b577 100644 --- a/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.1_Image.md +++ b/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.1_Image.md @@ -1,12 +1,7 @@ --- -edit_link: '' title: Image -origin_url: >- - https://raw.githubusercontent.com/automotive-grade-linux/docs-sources/master/docs/security-blueprint/part-2/1-Image.md --- -<!-- WARNING: This file is generated by fetch_docs.js using /home/boron/Documents/AGL/docs-webtemplate/site/_data/tocs/architecture/master/security_blueprint-security-blueprint-book.yml --> - # Image ## Image selection diff --git a/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.2_Communication-modes.md b/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.2_Communication-modes.md index 3381324..fc3ea47 100644 --- a/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.2_Communication-modes.md +++ b/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.2_Communication-modes.md @@ -1,12 +1,7 @@ --- -edit_link: '' title: Communication modes -origin_url: >- - https://raw.githubusercontent.com/automotive-grade-linux/docs-sources/master/docs/security-blueprint/part-2/2-Communication-modes.md --- -<!-- WARNING: This file is generated by fetch_docs.js using /home/boron/Documents/AGL/docs-webtemplate/site/_data/tocs/architecture/master/security_blueprint-security-blueprint-book.yml --> - # Communication modes ## Disable USB, Serial and DOCSIS Support @@ -56,8 +51,8 @@ Boot-Communication-USB-5 | `CONFIG_USB_HOST_ETHER` | _Not defined_ ## Disable all unused Network Interfaces -Only used network interfaces should be enabled. -Where possible, services should also be limited to those necessary. +Only used network interfaces should be enabled. Where possible, services should +also be limited to those necessary. <!-- section-config --> @@ -85,7 +80,8 @@ Boot-Communication-1 | `Services`, `ports` and `devices` | Restrict the `service In U-Boot following flash memory commands shall be disabled: -**NAND**: Support for nand flash access available through `do_nand` has to be disabled. +**NAND**: Support for nand flash access available through `do_nand` has to be +disabled. <!-- section-config --> diff --git a/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.3_Consoles.md b/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.3_Consoles.md index e578acd..0afb6f6 100644 --- a/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.3_Consoles.md +++ b/docs/2_Architecture_Guides/2.2_Security_Blueprint/2_Secure_Boot/1.2.2.3_Consoles.md @@ -1,12 +1,7 @@ --- -edit_link: '' title: Consoles -origin_url: >- - https://raw.githubusercontent.com/automotive-grade-linux/docs-sources/master/docs/security-blueprint/part-2/3-Consoles.md --- -<!-- WARNING: This file is generated by fetch_docs.js using /home/boron/Documents/AGL/docs-webtemplate/site/_data/tocs/architecture/master/security_blueprint-security-blueprint-book.yml --> - # Consoles ## Disable serial console |